Flat panel display with black matrix and method of...

Details Flat panel display with black matrix and method of... Flat panel display with black matrix and method of...

2008-01-22

2008-01-22

Duong, Thoi V. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S111000, C349S187000, C349S038000

Reexamination Certificate

active

11028588

ABSTRACT:
An organic electroluminescent display in which a black matrix with a concentration gradient of a transparent material and a metallic material is formed on the same surface as a pixel electrode. The black matrix and a pixel electrode of the organic electroluminescent display are formed using only one masking operation. The black matrix has a concentration gradient of a continuous gradient structure in which constituents of the transparent material are continuously decreased while constituents of the metallic material are continuously increased as a thickness of the black matrix is increased, a step gradient structure in which the constituents of the transparent material are gradually decreased while the constituents of the metallic material are gradually increased as the thickness of the black matrix is increased, or a multi-gradient structure in which the continuous gradient structure and/or the step gradient structure are repeated.

REFERENCES:
patent: 2003/0107326 (2003-06-01), Park et al.
patent: 2003/0117059 (2003-06-01), Koo et al.
patent: 2-230127 (1990-09-01), None
patent: 2001-113230 (2001-12-01), None
U.S. Appl. No. 10/354,110, filed Jan. 30, 2003, Sang-Il Park et al., Samsung SDI Co., Ltd.
Office Action issued in Korean Patent Application No. 2002-20426 on Apr. 30, 2004.

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